PHENNA GROUP HOLDINGS LIMITED

UK registered

openregistry-gb-11924669·21 UK shareholdings·3 ownership layers

PHENNA GROUP HOLDINGS LIMITED is a UK-registered corporate shareholder (Companies House number 11924669) and holds shares in 21 active UK companies, recorded across 48 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 11 companies spanning 3 ownership layers, of which 7 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 20 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-11924669. It ranks #363 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
21

Share-class positions
48

Identity
UK company 11924669

Jurisdiction
UNITED KINGDOM

Ownership layers below
3

Holdings that are holding companies
7

PSC register agrees on
20 holdings

Company profile

Companies House profile of PHENNA GROUP HOLDINGS LIMITED

Shareholders

Shares held by PHENNA GROUP HOLDINGS LIMITED in 21 UK companies

Ownership chain

11 companies across 3 layers beneath PHENNA GROUP HOLDINGS LIMITED

Official record

Companies House record 11924669

Shareholdings

Every company PHENNA GROUP HOLDINGS LIMITED appears on as a member, as filed. 21 of 21 are linked to their Companies House profile.

Company held	Status	Share class	Shares	% of class	% of capital	Total % of capital	As of
CMTL (JF) LIMITEDopenregistry-gb-01182561	Active	ORDINARY	50,000	100.00%	100.00%	100.00%	2026-03-28
CMTL LIMITEDopenregistry-gb-07495433	Active	ORDINARY	100	100.00%	100.00%	100.00%	2026-01-17
GEO SITE AND TESTING SERVICES LIMITEDopenregistry-gb-07747010	Active	ORDINARY	2	100.00%	100.00%	100.00%	2025-08-19
PHENNA INFRASTRUCTURE UK LIMITED ▼openregistry-gb-11627758	Active	ORDINARY	535,001	100.00%	100.00%	100.00%	2025-10-16
PSL TOPCO LIMITEDopenregistry-gb-11961242	Active	ORDINARY	10,000	100.00%	50.00%	100.00%	2025-06-17
		A PREFERENCE	8,750	100.00%	43.75%
		B PREFERENCE	1,250	100.00%	6.25%
JAG TOPCO LIMITEDopenregistry-gb-12241623	Active	ORDINARY	10,000	100.00%	50.00%	100.00%	2023-06-17
		A PREFERENCE	6,500	100.00%	32.50%
		B PREFERENCE	3,500	100.00%	17.50%
PHENNA CERTIFICATION & COMPLIANCE LIMITED ▼openregistry-gb-13030396	Active	ORDINARY	10,000	100.00%	50.00%	100.00%	2025-11-17
		A ORDINARY	6,500	100.00%	32.50%
		B PREFERENCE	3,500	100.00%	17.50%
PROJECT HENLEY TOPCO LIMITEDopenregistry-gb-14214331	Active	ORDINARY	10,000	100.00%	50.00%	100.00%	2025-07-04
		A PREFERENCE	8,500	100.00%	42.50%
		B PREFERENCE	1,500	100.00%	7.50%
MICA TOPCO LIMITEDopenregistry-gb-15022012	Active	ORDINARY	10,000	100.00%	50.00%	100.00%	2025-07-23
		A PREFERENCE	7,000	100.00%	35.00%
		B PREFERENCE	3,000	100.00%	15.00%
SECURE TOPCO LIMITEDopenregistry-gb-13415412	Active	ORDINARY	10,000	100.00%	90.91%	98.86%	2024-12-23
		A PREFERENCE	750	100.00%	6.82%
		B PREFERENCE	125	50.00%	1.14%
FS TOPCO LIMITEDopenregistry-gb-11511375	Active	PREFERENCE	10,000	100.00%	50.00%	98.62%	2024-08-09
		ORDINARY	9,200	100.00%	46.00%
		B ORDINARY	525	65.62%	2.62%
BUREAU TECHNICAL INSPECTION SERVICES LIMITED ▼openregistry-gb-01466753	Active	ORDINARY	2,020	100.00%	95.28%	98.44%	2025-08-14
	Active	A ORDINARY	67	100.00%	3.16%	98.44%	2025-08-14
EXPORT TOPCO LIMITEDopenregistry-gb-15302116	Active	ORDINARY	10,000	100.00%	48.01%	93.80%	2025-11-17
EXPORT TOPCO LIMITEDopenregistry-gb-15302116	Active	A PREFERENCE	9,538	100.00%	45.79%	93.80%	2025-11-17
MAN TOPCO LIMITEDopenregistry-gb-12220847	Active	ORDINARY	10,000	100.00%	50.00%	93.75%	2025-06-05
		A PREFERENCE	7,500	100.00%	37.50%
		B PREFERENCE	1,250	50.00%	6.25%
CORTEX TOPCO LIMITEDopenregistry-gb-14767112	Active	ORDINARY	10,000	100.00%	50.00%	93.75%	2024-03-28
CORTEX TOPCO LIMITEDopenregistry-gb-14767112	Active	A PREFERENCE	8,750	100.00%	43.75%	93.75%	2024-03-28
NAP TOPCO LIMITEDopenregistry-gb-13995646	Active	ORDINARY	10,000	100.00%	50.00%	92.50%	2025-03-21
		A PREFERENCE	7,000	100.00%	35.00%
		B PREFERENCE	1,499	49.97%	7.50%
PROJECT BAKELITE TOPCO LIMITEDopenregistry-gb-14292286	Active	ORDINARY	10,000	100.00%	50.00%	90.00%	2025-08-11
		A PREFERENCE	6,000	100.00%	30.00%
		B PREFERENCE	2,000	50.00%	10.00%
CRATER TOPCO LIMITEDopenregistry-gb-12422751	Active	ORDINARY	10,000	100.00%	50.00%	85.00%	2025-07-13
		A PREFERENCE	6,000	100.00%	30.00%
		B PREFERENCE	1,000	25.00%	5.00%
RSAN TOPCO LIMITEDopenregistry-gb-14591181	Active	ORDINARY	10,000	100.00%	50.00%	85.00%	2024-01-12
RSAN TOPCO LIMITEDopenregistry-gb-14591181	Active	A PREFERENCE	7,000	100.00%	35.00%	85.00%	2024-01-12
ZENITH TOPCO LIMITEDopenregistry-gb-14570867	Active	ORDINARY	10,000	100.00%	50.00%	80.00%	2024-01-03
ZENITH TOPCO LIMITEDopenregistry-gb-14570867	Active	A PREFERENCE	6,000	100.00%	30.00%	80.00%	2024-01-03
TRI FIRE HOLDINGS LIMITED ▼openregistry-gb-15821216	Active	ORDINARY 1P	0	0.00%	0.00%		2025-07-04

Ownership structure below these holdings

11 further companies sit beneath this entity’s direct holdings, across 3 layers. Each is linked to its Companies House profile.

PHENNA INFRASTRUCTURE UK LIMITEDopenregistry-gb-11627758
- SLIMMER TESTING SOLUTIONS GROUP HOLDINGS LIMITEDopenregistry-gb-05340145 ORDINARY / ORDINARY A
- CONSTRUCTION TESTING SOLUTIONS LIMITEDopenregistry-gb-05998333 ORDINARY
  - CONCEPT ENGINEERING CONSULTANTS LTDopenregistry-gb-03401367 ORDINARY · 100.00%
  - CARD GEOTECHNICS LIMITEDopenregistry-gb-02993862 ORDINARY · 100.00%
  - SILKSTONE ENVIRONMENTAL LIMITEDopenregistry-gb-03984219 ORDINARY · 100.00%
  - MASON EVANS PARTNERSHIP (HOLDINGS) LIMITEDopenregistry-gb-SC330579 ORDINARY
  - CGL 2014 LIMITEDopenregistry-gb-08840267 ORDINARY
PHENNA CERTIFICATION & COMPLIANCE LIMITEDopenregistry-gb-13030396
- ELMHURST ENERGY SERVICES LIMITEDopenregistry-gb-06087105 ORDINARY · 100.00%
- ELMHURST ENERGY SYSTEMS LIMITEDopenregistry-gb-02805846 ORDINARY · 100.00%
BUREAU TECHNICAL INSPECTION SERVICES LIMITEDopenregistry-gb-01466753
- STATUTORY INSPECTIONS LTDopenregistry-gb-05860569 A ORDINARY · 100.00%
TRI FIRE HOLDINGS LIMITEDopenregistry-gb-15821216
- TRI FIRE HOLDCO LTDopenregistry-gb-15797545 ORDINARY · 100.00%

Related company owners

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

T&M DHILLON GROUP LIMITEDopenregistry-gb-09670746 21 UK holdings
EQUITIX INFRASTRUCTURE 4 LIMITEDopenregistry-gb-09824573 21 UK holdings
MOVO INVESTMENT GROUP LIMITEDopenregistry-gb-09990295 21 UK holdings
WEMBLEY PARK INVESTMENTS LIMITEDopenregistry-gb-10348367 21 UK holdings
FRP MERCIA HOLDCO LIMITEDopenregistry-gb-10693054 21 UK holdings
CALTZ INVESTMENT HOLDINGS LTDopenregistry-gb-12240877 21 UK holdings
M7 REAL ESTATE ASSET HOLDING LTDopenregistry-gb-12358154 21 UK holdings
NEXTPOWER UK HOLDCO LIMITEDopenregistry-gb-12989157 21 UK holdings
EAST GROVE HOLDING LIMITEDopenregistry-gb-13522533 21 UK holdings
LUX CONSULTANCE & SERVICES UK LTDopenregistry-gb-14863993 21 UK holdings

▼ marks a holding that itself holds shares in further companies, so ownership continues below it.

“% of capital” is the entity’s share of issued capital by nominal value, the correct basis when a company has multiple share classes.

Figures are as filed on each company’s most recent confirmation statement; the “As of” column gives that statement date. Source: Companies House Free Company Data and CS01 confirmation statements. Official record: find-and-update.company-information.service.gov.uk.